gistfile1.php

<?php

private function getDrapeWidths(DrapeItem $drapeItem, DrapeUnit $drapeUnit, DrapeCutDefault $drapeCutDefault)
  {
		// Pinch Pleat DrapeItem
		if($drapeItem->isPinchPleat())
		{
			// Pinch Pleat Pair DrapeItem
			if($drapeItem->isPairStack())
			{
				// Pinch Pleat Pair DrapeItem with a Non-Railroaded DrapeCutDefault
				if( ! $drapeCutDefault->isRailroaded())
				{
					$drapeWidths = (($drapeUnit->rod_size * $drapeItem->Fullness->amount) + (2 * $drapeItem->Overlap->amount) + (2 * $drapeItem->Return->amount) ) / $drapeCutDefault->fabric_width;

					// Rounding rules per the previous docs for Pinch Pleat Non-RR Pair Widths Face
					// Divide the final rounded value by 2

					$fraction = getFraction($drapeWidths);

					// Round up or down to get a whole number
					$drapeWidths = ($fraction < 0.10) ? floor($drapeWidths) : ceil($drapeWidths);

					// Divide by 2 since this is a Pair Drape Item
					return $drapeWidths / 2;
				}

				// Pinch Pleat Pair DrapeItem with a Railroaded DrapeCutDefault
				else
				{

				}
			}

			// Pinch Pleat Panel DrapeItem
			else
			{
				// Pinch Pleat Panel DrapeItem with a Railroaded DrapeCutDefault
				if($drapeCutDefault->isRailroaded())
				{
					$drapeWidths = (($drapeUnit->rod_size * $drapeItem->Fullness->amount) + $drapeItem->Overlap->amount + $drapeItem->Return->amount) / $drapeCutDefault->fabric_width;

					$fraction = getFraction($drapeWidths);

					// Rounding per the previous docs for Pinch Pleat RR Panel Cut At

					if($fraction < 0.10) 						return floor($drapeWidths);
					if($fraction >= 0.10 and $fraction <= 0.25) return floor($drapeWidths) + 0.25;
					if($fraction >  0.25 and $fraction <= 0.50) return floor($drapeWidths) + 0.50;
					if($fraction >  0.50 and $fraction <= 0.75) return floor($drapeWidths) + 0.75;

					return ceil($drapeWidths);
				}

				// Pinch Pleat Panel DrapeItem with a Non-Railroaded DrapeCutDefault
				else
				{

				}
			}
		}
	}